Hajaratu U Sulayman1, Anslem S Berde2, Saad A Ahmed3. 1. Department of Obstetrics & Gynaecology, Ahmadu Bello University Teaching Hospital, Shika-Zaria, Nigeria. 2. Department of Obstetrics & Gynaecology, General Hospital Minna, Minna, Niger State Nigeria. 3. Department of Pathology, Ahmadu Bello University Teaching Hospital, Shika-Zaria, Nigeria.